Useful Expressions in Unit 8 (by Mr. Hu )1. knit one’s brows 皱眉2. scratch one’s head 挠头3. come up with the right answer4. beam at learning the answer5. weave a tale: make up/invent a story6. bring/drive sth home to sb: make sb fully understand/realize sth7. sth hold lessons for sb: sth be instructive/educational to sb8. a fictional story ←→a true story9. as well=, too10. Aesop’s Fables11. run out of: use up12. file folders13. a handful of: a small number of14. before/plus tax: when the tax hasn’t been paid yet15. in amazement/surprise/disbelief16. in despair17. mental arithmetic18. modestly educated：slightly educated19. be upset by/about: = be worried / unhappy about20. good-natured: good-tempered21. be ignorant of/about22. ignorance23. a tiny slice of the problem24. perform the calculations25. sth be only a memory among sb26. be nonexistent27. a chilling (=discouraging) indifference (= a lack of interest)28. sum up: summarize29. compete with=compete against (sb for sth)30. financial, material, and human capital31. human capital: people’s knowledge and skills32. accumulate: collect33. ancestor=forefather←→posterity/offspring= descendant34. at some point soon用不了多久35. intellectual laziness 懒于用脑36. affect: have an influence on37. idle: lazy38. labor force: work force39. crash 坠落: fall down40. jam: get stuck41. break down: ①stop working ②fall/collapse42. have a humble suggestion 有一愚见43. dramatize: describe vividly; give a vivid description of44. feel bitter: feel painful45. headphones: earphones46. portable47. CD: compact disk48. sth put sb to sleep49. search for: look for50. get a job as a clerk51. with steady wages52. feed himself53. allow no leisure for such luxuries as…使某人没有闲暇去享受诸如...的奢侈的事情54. His only hope lies in his children.55. fast-forward56. a steel mill: a steel factory57. subway: the Underground/ the Tube (BrE)58. well off=rich59. a determined foe：a strong-minded enemy60. scared=frightened61. be scared of; too scared to do; be scared that;62. A scare B63. live by cf. live on64. peace and plenty (alliteration押头韵)65. safe and sound66. healthy and wealthy (rhyme尾韵)67. all day and all night= day and night68. offer services to sb69. long since cf. long ago70. complex: complicated71. manual work: physical labor72. discipline: training73. saving and discipline74. discipline sb75. earn an adequate living wage76. slum: ghetto77. plumbing cf. plumber78. trash piles79. trash；rubbish; garbage; junk80. in a word: in short81. much as: nearly as82. be befriended by: make friends with83. decline ①decrease ②refuse politely84. acquire(=get) financial capital85. rise from the ashes: rebuild itself after the devastation of WWII86. swear: promise seriously87. miracle: wonder: phenomenon88. sth catch one’s eye: sth arouse one’s attention89. intellectual faculties=abilities90. contemptible: deserving contempt 令人可鄙的91. cf. contemptuous: showing, feeling or expressing contempt 表示鄙视的92. stand in the doorway93. have a day off94. do the deal95. take an equal slice of the profit96. wash clothes by hand97. in my humble opinion98. appoint an assistant99. reduce the cost of production100. to his delight101. switch to sth102. fine arts103. make a good lawyer104. The story makes interesting reading.105. make it106. my sense of self107. take various measures to encourage local economic development 108. develop a sense of responsibility109. narrow the wide gap between A and B110. first-hand knowledge111. build up a large vocabulary112. gain a good command of English113. a likeable girl 讨人喜欢的女孩114. be content to do115. be unconcerned by：be indifferent about116. fine-looking: handsome117. call the fire department and ambulance118. put sth in a different perspective119. change one’s mind120. ditch: throw away sth in the ditch121. sigh inwardly 暗自叹气122. mentally battle with sth: 苦苦的心算123. look longingly at sth 眼巴巴地望着124. off-limits adj. 禁止进入的→可望不可及的125. tutor a student126. allow unlimited access to sth 可无限制的使用sth127. attend a maths seminar128. casually state sth随口说129. education establishment 教育机构130. call for tutoring in algebra and geometry131. in defense of 辩解132. rationally: reasonably133. proceed from known information to desired information 根据已知信息找到所需信息134. be competent with sth/in doing sth135. get tied up with tedious computations为繁琐的运算所拖累136. addition, subtraction, multiplication and division137. a word problem 应用题138. cut down his work: stop his work139. reflect on: think over140. repetitious: repeated141. sth fall to such a low priority in education circles 在教育界变得如此不受重视142. much less=let alone143. Math is as much about knowing why the rules work as knowing what the rules are.数学要讲有哪些规则，更要讲这些规则为什么成立。
